小编Dan*_*nio的帖子

我的Parent实体有一个Child实体和Elements 的集合：

@Entity
public class Parent {
    @Id
    private String id;

    @OneToOne(cascade = CascadeType.ALL)
    private Child child;

    @ManyToMany(cascade = CascadeType.ALL)
    private List<Element> elements;

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public Child getChild() {
        return child;
    }

    public void setChild(Child child) {
        this.child = child;
    }

    public List<Element> getElements() {
        return elements;
    }

    public void setElements(List<Element> elements) {
        this.elements = elements;
    }

}

该Child …